أرسل هذا في رسالة قصيرة: Cobalt sulfide nanoflakes grown on graphite foam for Na-ion batteries with ultrahigh initial coulombic efficiency

  ______     ___     __   __    _____    ______   
 /_   _//   / _ \\   \ \\/ //  |  ___|| |      \\ 
 `-| |,-   / //\ \\   \   //   | ||__   |  --  // 
   | ||   |  ___  ||  / . \\   | ||__   |  --  \\ 
   |_||   |_||  |_|| /_//\_\\  |_____|| |______// 
   `-`'   `-`   `-`  `-`  --`  `-----`  `------`